Solid State Systems Sss6698-bb May 2026

If you have a drive with this controller, use it for non-critical, sequential read-only tasks. If you are shopping for a new drive today, avoid any flash drive that lists speeds under 100 MB/s—it likely houses a descendant of the SSS6698-BB legacy. Have a USB drive with the SSS6698-BB that stopped working? Check the comments below for updated links to MP Tool v2.204 and NAND database files.

| Controller | Channels | Read (MB/s) | Write (MB/s) | ECC | Best For | | :--- | :--- | :--- | :--- | :--- | :--- | | | 1 | ~90 | ~15 | 72-bit BCH | Budget promotional USB drives | | Silicon Motion SM3260 | 2 | ~180 | ~100 | 90-bit BCH | Mainstream USB 3.0 | | Phison PS2251-03 (U3) | 2 | ~200 | ~130 | 136-bit BCH | High-speed / Gaming drives | | IS903 | 4 | ~350 | ~200 | 128-bit BCH | Enthusiast / SLC drives | Solid State Systems Sss6698-bb

One such controller that has quietly powered millions of USB flash drives in the mid-2010s is the . Although it never achieved the celebrity status of high-end Silicon Motion or Phison controllers, the SSS6698-BB holds a significant place in storage history as a competent, cost-effective bridge between USB 2.0 and the emerging USB 3.0 standard. If you have a drive with this controller,